HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$372+ Cheap flights from Ireland to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
avr. 27 — mai 41
dim. 4/27
dim. 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ireland to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ireland to San Diego

Keep the following information in mind while searching for Ireland to San Diego flight deals. Data was last updated avril 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$616
(EaseMyTrip)

One-way from

$372
(Mytrip)

Popular in

August

Cheapest in

November

Average price

$774
Provider with most accurate pricing for Dublin-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-San Diego flights.
Search Deals
From Ireland to San Diego
Search Deals
One-way flight from Ireland to San Diego
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Ireland to San Diego

Cheapest flights from Ireland to San Diego
Explore the most affordable flight options available from Ireland to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 22, 2025.

This Bravofly deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/412:30 pmDUB - SAN
2 stops40h 48mScandinavian Airlines
mar. 11/113:59 pmSAN - DUB
2 stops35h 46mScandinavian Airlines
Deal found 4/22$560
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/26:25 amDUB - SAN
3 stops32h 48mMultiple Airlines
lun. 6/91:00 pmSAN - DUB
3 stops36h 00mMultiple Airlines
Deal found 4/21$726
This British Airways deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/1810:30 amDUB - SAN
1 stop15h 30mBritish Airways
dim. 5/257:50 pmSAN - DUB
1 stop15h 45mBritish Airways
Deal found 4/20$755
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/85:55 amDUB - SAN
1 stop14h 05mDelta
sam. 5/242:10 pmSAN - DUB
2 stops16h 50mDelta
Deal found 4/21$762
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/115:55 amDUB - SAN
1 stop14h 05mKLM
dim. 5/181:55 pmSAN - DUB
1 stop34h 25mKLM
Deal found 4/20$765
This JetBlue deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/510:40 amDUB - SAN
1 stop16h 35mJetBlue
jeu. 6/1211:00 amSAN - DUB
1 stop14h 00mJetBlue
Deal found 4/21$780
This Cheapflightsfares deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/279:30 amDUB - SAN
1 stop20h 37mIberia
dim. 5/49:24 amSAN - DUB
1 stop13h 06mIberia
Deal found 4/20$786
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/18:00 amDUB - SAN
2 stops17h 37mUnited Airlines
mer. 11/57:10 amSAN - DUB
1 stop15h 50mUnited Airlines
Deal found 4/21$794
This Air Canada deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/49:50 amDUB - SAN
2 stops17h 55mAir Canada
mer. 7/236:15 amSAN - DUB
2 stops17h 30mAir Canada
Deal found 4/20$858
This SWISS deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/88:40 amDUB - SAN
2 stops21h 34mSWISS
sam. 5/241:30 pmSAN - DUB
2 stops20h 20mSWISS
Deal found 4/21$869
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/1811:30 amDUB - SAN
2 stops32h 39mWestJet
sam. 8/162:05 pmSAN - DUB
1 stop12h 45mWestJet
Deal found 4/21$892
This Gotogate deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/24:45 pmDUB - SAN
1 stop34h 30mAer Lingus
lun. 6/97:50 pmSAN - DUB
1 stop13h 25mAer Lingus
Deal found 4/20$903

Cheapflights Fare Finder

Customize your flight search to find flights from Ireland to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 22, 2025.
Use the filters below to find and compare flights from Ireland to San Diego that are best for you.

Fly from

Ireland

Fly to

San Diego

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

lun. 6/2

7:05 pm-6:51 pm

2 stops31h 46m

San Diego

lun. 6/9

4:00 pm-11:50 am

2 stops35h 50m

$616

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

lun. 6/2

6:25 am-7:13 am

3 stops32h 48m

San Diego

lun. 6/9

1:00 pm-9:00 am

3 stops36h 00m

$726

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

dim. 5/18

10:30 am-6:00 pm

1 stop15h 30m

San Diego

dim. 5/25

7:50 pm-7:35 pm

1 stop15h 45m

$755

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

jeu. 5/8

5:55 am-12:00 pm

1 stop14h 05m

San Diego

sam. 5/24

2:10 pm-3:00 pm

2 stops16h 50m

$762

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

dim. 5/11

5:55 am-12:00 pm

1 stop14h 05m

San Diego

dim. 5/18

1:55 pm-8:20 am

1 stop34h 25m

$765

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

jeu. 6/5

10:40 am-7:15 pm

1 stop16h 35m

San Diego

jeu. 6/12

11:00 am-9:00 am

1 stop14h 00m

$780

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ven. 5/9

9:20 am-4:09 pm

1 stop14h 49m

San Diego

sam. 5/24

10:46 am-10:20 am

2 stops15h 34m

$851

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

dim. 5/4

9:50 am-7:45 pm

2 stops17h 55m

San Diego

mer. 7/23

6:15 am-7:45 am

2 stops17h 30m

$858

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

jeu. 5/8

8:40 am-10:14 pm

2 stops21h 34m

San Diego

sam. 5/24

1:30 pm-5:50 pm

2 stops20h 20m

$869

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

dim. 5/18

11:30 am-12:09 pm

2 stops32h 39m

San Diego

sam. 8/16

2:05 pm-10:50 am

1 stop12h 45m

$892

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from Ireland to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Ireland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to San Diego

What is the cheapest month to book a flight from Ireland to San Diego?

Currently, August is the cheapest month in which you can book a flight from Ireland to San Diego (average of $286). Flying from Ireland to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated avril 22, 2025.
To help decide which airline to fly from Ireland to San Diego, see what other customers have to say about Delta, KLM and Air Transat. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Ireland?

    For a flight from Ireland to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

  • What are the cheapest airlines to fly from Ireland to San Diego one-way?

    The cheapest airlines for a one-way flight from Ireland to San Diego are WestJet ($386), JetBlue ($543), and Aer Lingus ($593).

  • What are the most popular routes from Ireland to San Diego?

    The most popular route from Ireland to San Diego is Dublin - San Diego. You may also consider Milltown (Kerry) Kerry - San Diego or Cork - San Diego.

  • Can I find deals for flights from Ireland to San Diego that include hotel bookings?

    Yes. In addition to deals on Ireland to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to San Diego.

  • Can I find deals for business class flights from Ireland to San Diego?

    Yes. Cheapflights offers flight deals from Ireland to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Ireland to San Diego (average of $286). Flying from Ireland to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ireland?

Book flights to Ireland if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Los Angeles flights
Heathrow to Los Angeles flights
Charles de Gaulle to Los Angeles flights
Charles de Gaulle to San Francisco flights
Frankfurt to Las Vegas flights
Heathrow to San Francisco flights
Orly to Los Angeles flights
Malpensa to Los Angeles flights
Charles de Gaulle to Burbank flights
Heathrow to Las Vegas flights
Frankfurt to San Francisco flights
Vienna to Los Angeles flights
Linate to Los Angeles flights
Madrid to Los Angeles flights
Orly to San Francisco flights
Zurich to Los Angeles flights
Munich to Los Angeles flights
Barcelona-El Prat to Los Angeles flights
London City to Los Angeles flights
Charles de Gaulle to Long Beach flights
Charles de Gaulle to Santa Ana flights
Gatwick to San Francisco flights
Charles de Gaulle to Las Vegas flights
Frankfurt to Ontario flights
Munich to San Francisco flights
Bruxelles-National to Los Angeles flights
London City to San Francisco flights
Orly to Las Vegas flights
Zurich to San Francisco flights
Malpensa to Santa Ana flights
Frederic Chopin to Los Angeles flights
Barcelona-El Prat to San Francisco flights
Frankfurt to Santa Ana flights
Gatwick to Las Vegas flights
Gatwick to Los Angeles flights
Charles de Gaulle to Oakland flights
Leonardo da Vinci/Fiumicino to San Francisco flights
Luton to Los Angeles flights
Frankfurt to Long Beach flights
Beauvais-Tille to Los Angeles flights
Istanbul to Los Angeles flights
Istanbul to San Francisco flights
Frankfurt to San Jose flights
Amsterdam to San Francisco flights
Berlin to Los Angeles flights
Heathrow to Ontario flights

Top airline flying from Ireland to San Diego

Discover the top airline that operate flights from Ireland to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$726Average$789FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.